>sp|A2BTH0|PUR5_PROMS Phosphoribosylformylglycinamidine cyclo-ligase OS=Prochlorococcus marinus GN=purM MDYKTSGVDIEAGREFVSEIKQAVEGTHTSNVIEGIGGFGGLFRIPIDSFKKPVLVSGTD GVGTKLELAQSKNFHFEVGIDLVAMCMNDIITSGAKPLFFLDYIATGKLDKNQLLRVVKG ISHGCGENNCSLLGGETAEMPGFYSKNKYDLAGFCVGIVDEDKLINGKKVSENDLIIALK SNGVHSNGFSLVRKIIQNNNQIDKEFEKVFHLNFYDELLKPTKIYNNVINQMLTENIEIK AMSHITGGGIPENLPRCMPSDFIPYVDTGSWEIPIIFKFLKEKGSIPEKDFWNTFNLGVG FCLIIDKQFKDPILNICKDNEIDSWEIGKIVRKNDSTISKFLPEILT